Revit :: Graded Surface To Display Existing And New
May 18, 2012
On those rare occasions my firm does it's own civil drawings, we like to see the new countour lines as thick solid lines with the old existing/demolished lines as light hidden lines. Is there any way to display both of these lines after you've graded a surface/region. I feel like it has something to do with the phase filter dialog but can't get it to work. Currently the only way I can get it to display both properly is to switch my visual style to wireframe, which is hardly a good option when I've got a building on the site.
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Sep 28, 2012
I'm trying to create an all new existing surface over existing ground. I have a TIN surface of the EG, and I have drawn overlay splines that describe the new surface, but how to go about creating that design surface.
It is a compound surface, open on one end and closed all around on the other, somewhat like a half of a football stadium, but with an irregular upper edge because I am needing to figure out cuts and fills to manipulate the EG into this new surface without costly major terraforming. There is about 40-50' vertical elevation between the "field" and the upper rim with a generally constant 7-10 deg. slope all around. I'm just at a loss to figure out how to approach this project, and am quite new to Civil 3D.
Civil3D 2013
MacBookPro 17 - 2.4GHz Intel QuadCore i7 (Late 2011 build)
Microsoft Windows 7 64bit
350GB Bootcamp volume
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Nov 14, 2012
I am trying to add points into a surface. I have done this before without any problems, but now I am having issues.
When I ID points which makes up the surface it gives me the correct Z level e.g. 24.5m, however when I hover over the surface it shows me the surface name and a different z level e.g. 0.65m. What is the reason for this difference in z levels? I think this may be causing the issue I am having when I add new points.
I select the surface and use the 'edit surface command' in the ribbon, choosing add point.
When I add a point at the level I require(23.89m), it puts it in a lot higher than the surrounding area, so I tried to put the point in to the lower z levels (0.4m) it puts it in a lot lower!
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Dec 10, 2012
My goal is coming up with the volume bounded by the design surface and the existing surface. I don't have the design surface modeled yet.
Do i need to create alignment offsets?. Alignment 1 profile view is also attached. Then Alignment2.
What about starting with alignment1 profile view? Since I have created a polyline as the design profile ?
how do I shrink labels? Where is it in the settings ; the Align folder had been check.
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Mar 1, 2013
Im currently using an addon for Civil 3D called Novapoint. It allows me to create 3D models of surfaces made out of 3d faces and easily models cut and fill 3d-models for me.
The only thing i need to create a cut and fill model is one or several ground surfaces (existing ground, earth layers, rock etc. whatever i need) and a closed polyline/3Dpolyline that represents the level I want my cut and/or fill model.
I enter the spcifications I want such as; earth cut angle, rock cut angle, fill angle, select which surfaces i want to include in the model calculation and select the polyline.Novapoint then calculates the cut/fill model from the surfaces to the polyline and models the different cut/fill angles and gives me the results in a 3d-face model and a specification of the volyme of rock cut, earth cut an fill.
1. Novapoint is quite unstable and crashes alot
2. You cant create profiles out of 3d faces
3. Novapoint does not automaticly combine the start surfaces with the modeled cut/fill surface
4. A large surface made out of 3d-faces demands alot of computer power
So I want to how I do the same that Novapoint does for me in Civil 3D? (I have access to Civil 3D 2007-2013 depending on which one you're using)I know I can take the 3Dfaces i created in Novapoint and make a surface in Civil 3D with them but I want to exclude Novapoint completely.
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Nov 15, 2012
Some background: We have a composite surface of existing surveyed contours as a TIN pasted into existing aerial contours that we received from a client. We used polylines to generate our proposed contours, and then generated a proposed surface from that. We've made a blank surface, pasted in the existing surface, and are trying to paste in our proposed surface... only the existing contours outside of the proposed suface no longer line up correctly once we do.
We've tried applying the method laid out here: [URL] ........ (and the link referenced in the bottom) but are still having trouble getting the surface to work. We've tried offsetting as little as 0.25' and as much as 5' with the feature line draped over the existing surface, but it seemed that the greater the offset, the greater the discrepancy.
Just to make sure we even tried that correctly - should the breaklines that we add be standard or non-destructive? (I've tried it both ways with little success either way, so I don't know if it matters much in this instance, but perhaps for future reference it would work.)
I've attached a screen shot of our surfaces. The pink and green lines are the proposed contours, the white dashed are the existing. The outer red line is offset 0.25'. As I've mentioned, we've tried offsetting various amounts with decreasing success.
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Mar 21, 2013
I'm trying to match an existing slope design that has a soft rounded off top of slope. The toe (green) is a feature line and I'm using a 1-1/2:1 slope to natural surface grading rule. You can see the rounded contours in blue that I am trying to match.
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Jul 29, 2013
I have a project involving 3 programs. I am creating a planned development in 3d to be 3d printed when finished. The project is a 5 acre tract containing 8 buildings. I have built the surface in C3D and each building in Revit. The buildings are not in the same Revit file. For my solid work, I will bring the files over into 3ds Max Design to section into smaller quadrants to build in the 3d printer.
The questions:
Would it be better to import the surface into Revit to merge surface and buildings together?
Would it be better to import the buildings into C3D to merge entities?
Would it be better to bring those entities into 3ds Max and then merge them into one? Will 3ds Max Design allow me to insert entities accurately in the environment?
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Nov 1, 2012
Quick explanation of how to make columns display as columns in the coarse level of detail instead of just as sticks?
I know I'll have to edit the family but I can see anything obvious to change.
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Sep 9, 2013
Civil 3d 2014.... I have existing surface and a profile with 5 sample lines. All of them are good except 1 sample offset. I can do I quick profile and the profile looks like it should but if I generate an actual profile 90% of the profile is off. I have already tried reoding the alignment but it looks same on either one.
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Oct 18, 2012
How to rename the existing profile “profile from surface”? On the right click there is no such option!
Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.
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Jun 11, 2013
I have been given a survey on AutoCAD which was orginally 2D with the levels written in text next to it. I changed each point (690) to include the level in the Z-direction. I am trying to calculate volumes of topsoil removal and then cut anf fill volumes.
So I opened up Civil3D in metric template and imported my drawing as I have not been given a ddata file with the co-ordinates. Unfortunately I am having trouble creating a surface between the existing points.
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May 28, 2013
I have a surface that I created by joining to surfaces, and now I want to reduce my boundary, how can I edit it?
windows 7, intel I7, 8 MB RAM, civil3d 2013.
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Oct 23, 2013
I have a survey of an existing road surface and need to show where water will collect (pond). I can obviously use the water drop function and show where water will flow over the surface, but what I need to show are the resultant pond extents on the surface.
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Sep 27, 2013
I have an existing surface and I need to creat a surface using contour lines of a at the high point on a spillway to the bottom of my pond to calculate volumes. How do I do this?
AutoCAD/Survey Tech
Merritt LS L.L.C..
743 Horizon Ct. Suite 100B
Grand Junction, CO 81506
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Jan 16, 2013
I am having some trouble creating a TIN from a point layer in Civil 3D 2011. Would the best course of action be to extract the points from the drawing and creating a surface from there, or is there a way to create the TIN around the existing points in Model space?
I'm much better versed in AutoCAD, but excited about furthering my understanding with Civil3D.
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Dec 15, 2013
I don't undrstand why my assembly line increased after the existing surface in cut and fill condition, it should be stop at the existing surface. due to this problem my cut and fill quantities is not coming accurate. I'm attaching the screens shot of section. I'm using civil 3d 2009 32 bit software.
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Mar 27, 2012
I have a rather large project for a roadway reconstruction. Therefore, the existing utilities are in a separate drawing and the existing ground surface model is in a separate drawing. All the above surface items (curb and gutter, asphalt, concrete, signs, sidewalks, landscaping, etc..) are in the master drawing. I then xref'd in my utility drawing and though I would use data shortcuts for my existing ground surface drawing. I took the surveyed triangles (3d faces) from our raw survey drawing and copied them into my surface drawing, created a surface from the triangles, created a boundary and such. So far everything is good. I created the working folder for the data shortcuts for this project and saved the drawing and closed it. I went into my master drawing and clicked on "Create Reference". I did not promote. The reference came though and everything is fine. Now I want to add contour labels in my surface drawing which I did but they do not show up in my master drawing but the contours themselves do. Do I have to promote this drawing into my master drawing so I can create the contour labels in my master drawing? I guess that is fine but the issue is we have small areas of topo that will be added as needed down the road. If I promote the surface drawing into my master drawing then when I add topo to the surface drawing, it wont update in my master drawing.
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Aug 2, 2012
I have an existing surface with a steep slope and a feature line for the edge of a proposed walkway. I need a buffer of 25m on either side of the walkway but offsetting doesn't take the grade of the slope into account. How do I grade down the hill from the feature line at 25m to match to the existing surface?
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Aug 28, 2013
Every week I recieve new survey data (typically around 20 points) to insert onto an existing surface of our local landfill.
The surface is displayed as minor and major contours. The new survey data typically always has higher elevations then the exist surface and shot roughly 2 meters apart.
Here's my issue...when the survey data is inserted and the surface is rebuilt, the contours seem to turn into little cones at each new point. see attached...
how to eliminate these 'cones' so the surface contours seem more relistic?
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Nov 12, 2012
I have created an existing ground surface...also 2 surfaces from corridors...one a road and 2 a berm. How do I merge these and get final contours of the proposed site after construction?
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May 3, 2013
I am trying to create a localized existing surface from a very large topo. I promoted the existing surface shortcut into my drawing, then created a cropped surface to be put in a new drawing. After creating the cropped surface the new file shows that a surface has been created, however, the surface contains no data. I am using c3d 2012.
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Aug 28, 2013
I have a proposed surface that has been made by selection polyline with a z elevation as contours. Is it possible to have civil 3d easily change the weeding and supplementing factors to a tighter value after it has already been made?
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Jun 20, 2012
Is there a way for Civil3D to create/generate/extract a contour of a specific elevation such as 105.53 from an existing surface?
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May 15, 2012
if i want to target the existing surface beyond the edges of my road/sidewalk, should i use the link slope to surface subassembly at both ends? i want the model to test if in a cut or fill situation, and then target.
Civil 3D 2013 SP1, Win 7-64 bit
12GB RAM
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Mar 5, 2012
So we have to adjust the elevation of hundreds of drainage structures from their existing elevation to the new finished ground elevation.I know we can give this information within the structure label by adding a reference surface but we would like to produce a table with three columns:
Structure No. Existing Rim Elev. Proposed Rim Elev.
How to produce such a table?
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Apr 12, 2012
I have a bunch (hundreds, so manual input not an option) of X,Y points without elevation data that I would like to import into a DWG and assign an elevation that is based on an existing surface object. Is there a way to do this for a point file? The command for inserting individual points would be the "Create points - Surface > Random" but I don't see a way to do this in a batch type method where i have my PNE formatted input file to just move the points to sit on the existing surface.
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Jun 3, 2013
I have a couple of questions regarding surface volumes/analysis in Civil 3D 2014. First, there used to be a way to determine the volume between two surfaces without creating a volume surface. The command is _AeccReportSurfaceVolume, but I can't find it on the ribbons in 2014 to save my life. Do I need to create a new button myself?
Second, and more important, dealing with the elevation analysis in 2014, and noticed that the colors reset anytime that the volume surface is rebuilt? It has always been annoying not to save a color scheme, but at least once you had set it up, the colors stayed as the surface changed. Is there a new setting that I am missing, or is this just a glitch with 2014?
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May 28, 2013
I have a surface profile which has 2 surfaces in it. The surfaces overlap, and where there is overlap I just want to show one surface. Right now it looks like I'm going to have to smack a new boundary on the one surface to clip it, but I thought there might be a way to limit the display range of one surface in the profile.
Right now, I've only figured out how to do this so both surfaces are limited to the same range, but I can't figure out how to do it if you want to just control the range displayed of one surface and show all of the other surface.
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Oct 30, 2012
I have a project I designed and grading plan is almost done. My proposed surface lables read as 1256.50. How can I get them to read just 56.50? I have a FG surface I created and am labeling using surface elevations. I am running out of room and need to free up some space. I don't want do drop my surface 1200'.
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Jul 24, 2012
Is it possible to weed contour lines displayed in a surface based on the slope? I am having an issue plotting construction plans due to steep cut slopes and flat adjacent areas. I have several cuts ranging from 33%-50% adjacent to flat areas around 1%. Due to the drawing scale required by the client and the .2FT and 1FT contours required to detail the flat areas, my steep cuts appear as dark hatches due to the tight contour lines.
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